Sleep and depression: further considerations.
D000367:Age Factors; D003863:Depression / Q000503:physiopathology*; D005133:Eye Movements; D006801:Humans; D008875:Middle Aged; D009497:Neurotic Disorders / Q000503:physiopathology; D011618:Psychotic Disorders / Q000503:physiopathology; D012890:Sleep / Q000502:physiology*; D012893:Sleep Wake Disorders; D013997:Time Factors; D014851:Wakefulness / Q000502:physiology